24 Chester Street London SW1X 7BL

This site has had 2 applications since 2026: 2 approved, 0 refused.

• 26/00077/FULL Granted

  24 Chester Street London SW1X 7BL

  Erection of two storey rear extension at ground and lower ground floor level and associated works.

  Decided 2 Apr 2026 Full applications

1. 7 Jan 2026

   Received by Westminster

2. 30 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Apr 2026

   Decision issued: Application Permitted

4. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 2 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 24 Chester Street London SW1X 7BL

  26/00077/FULL Submitted 7 Jan 2026 50 yards away

  Erection of two storey rear extension at ground and lower ground floor level and associated works.

  Granted Full applications Extension 41 docs

• 23 Chester Street London SW1X 7BL

  25/06021/FULL Submitted 22 Aug 2025 50 yards away

  Installation of new lift shaft up the rear elevation of the building.

  Withdrawn Full applications 15 docs

• 23 Chester Street London SW1X 7BL

  25/06250/LBC Submitted 2 Sep 2025 50 yards away

  Installation of new lift shaft up the rear elevation of the building.

  Withdrawn Heritage and listed buildings 11 docs

• 9 Little Chester Street London SW1X 7AL

  26/00916/ADFULL Submitted 13 Feb 2026 50 yards away

  87% historically approved · decision due ~10 Apr

  Details plans and elevations of all new external doors, windows and rooflights pursuant to condition 5 of planning permission dated 31 July 2024 (RN: 23/07308/FULL)

  Awaiting decision Full applications Loft or dormer Windows or glazing 5 docs

• 12 Chester Street London SW1X 7BB

  26/02886/LBC Submitted 1 May 2026 50 yards away

  90% historically approved · decision due ~26 Jun

  Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new; and alterations to French door width at rear first floor level.

  Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 12 docs

• 12 Chester Street London SW1X 7BB

  26/01507/FULL Submitted 9 Mar 2026 50 yards away

  87% historically approved · decision due ~4 May

  Variation of condition 1 of planning permission dated 24th July 2025 (RN 24/05883/FULL) for the Excavation of a new basement level. Replacement of existing rear extension at first, second and third with a new rear extension (first to third floor level) with flat roof. Erection of an extension at rear ground floor level. Removal of the existing kitchen rooflight and extension of existing terrace at first floor level. Replacement of existing windows and French doors with new. NAMELY, to omit the approved basement and minor amendments to the upper floors.

  Awaiting decision Full applications Extension Loft or dormer +1 17 docs

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings